Answer:
In social studies, source credibility can be defined as a situation where message believability is dependent on the credible status of the sender in the minds and eyes of the receivers. The source must be as unbiased and backed up with evidence as possible.
<span>c.developing the phonograph and motion camera</span>
The answer is 'Mathew Brady' the American photographer, he is well known for his political photographs and portraits of the American civil war which shows the both sides of the American civil war.
Mathew Brady is frequently all the alluded on as those adore for music, something he imparts to him father for photojournalism and known to as much documentation of the civil war. As much photographs, What's more the individuals he commissioned, needed a colossal effect looking into social order In the time of the war, and keep on finishing with the goal today.
The settlers took Cumberland Gap
Answer: It allowed the United States to strongly influence foreign governments without treaties or military intervention.
Explanation: Diplomacy is essentially forming international relations, so doing such may be seen as imperialist as a nation may do this to grow their power and influence
